Harmon cast in 'Samantha Who?'

According to Entertainment Weekly, the actress will play the character of Gigi, the ex-wife of Sam's current lover Funk (Billy Zane). Gigi apparently has potential to be a recurring character in the show.

Harmon's credits include Women's Murder Club, Jim Carrey's Fun With Dick And Jane and Law & Order

It is not known when her episodes will air, but she is not expected to feature until the season finale.